CN204156749U - A kind of high voltage pulse generation device - Google Patents
A kind of high voltage pulse generation device Download PDFInfo
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- CN204156749U CN204156749U CN201420609903.5U CN201420609903U CN204156749U CN 204156749 U CN204156749 U CN 204156749U CN 201420609903 U CN201420609903 U CN 201420609903U CN 204156749 U CN204156749 U CN 204156749U
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Abstract
The utility model proposes a kind of high voltage pulse generation device, it comprises microprocessor control unit, Pulse Width Control voltage transformation module, driver element, boosting unit, rectification filtering unit and output pulse control unit, microprocessor control unit output pulse signal is to Pulse Width Control voltage transformation module, the output of Pulse Width Control voltage transformation module is connected with driver element, driver element output is connected with boosting unit input, and the pulse voltage that boosting unit exports exports to load by exporting pulse control unit after rectifying and wave-filtering.The novel high voltage pulse that can export wide cut degree and frequency range of this use.
Description
Technical field
The utility model relates to a kind of supply unit, is specifically related to a kind of high voltage pulse generation device.
Background technology
Mostly the application of high-voltage pulse in all trades and professions is widely.As anion and the generation of ozone, the generation, high-tension ignition, discharging water process etc. of electric spark.
At present, although existing various high voltage pulse generation device on market, frequency and the amplitude range of the pulse of wherein overwhelming majority generation are all smaller.In practice, small-power, amplitude and changeable frequency are needed for some research or experiment (research etc. as dust removing effects under different voltage and frequency), and requiring that the scope of its output amplitude and frequency-adjustable is larger, volume is little, cost is low, existing a lot of device and equipment cannot meet these needs.
Utility model content
In order to overcome the defect existed in above-mentioned prior art, the purpose of this utility model is to provide a kind of high voltage pulse generation device.
The utility model provides a kind of high voltage pulse generation device, it comprises microprocessor control unit, Pulse Width Control voltage transformation module, driver element, boosting unit, rectification filtering unit and output pulse control unit, described microprocessor control unit output pulse signal is to Pulse Width Control voltage transformation module, the output of Pulse Width Control voltage transformation module is connected with driver element, described driver element output is connected with boosting unit input, and the pulse voltage that boosting unit exports exports to load by exporting pulse control unit after rectifying and wave-filtering.
The utility model can export wide cut degree high voltage pulse.
In a kind of preferred implementation of the present utility model, also comprise information transmit-receive unit, described information transmit-receive unit is connected with microprocessor control unit, for needing frequency, the amplitude information of pulse to microprocessor control unit input.
Thus adjustment exports frequency and the amplitude of high voltage pulse, realizes the adjustment of amplitude and frequency.
In another kind of preferred implementation of the present utility model, also comprise voltage sampling unit and display unit, described microprocessor control unit comprises A/D modular converter, described voltage output unit output is connected with the input of voltage sampling unit, the output of described voltage sampling unit is connected with the input of A/D modular converter, the output of described A/D modular converter is connected with display unit, for display translation information of voltage.Be convenient to monitoring in real time and adjustment.
In a kind of preferred implementation of the present utility model, also comprise interface unit, described interface unit is connected between described output pulse control unit and described load.Be convenient to export pulse control unit be connected with between load.
In a kind of preferred implementation of the present utility model, described microprocessor control unit comprises STM32F103RB and peripheral circuit.
In a kind of preferred implementation of the present utility model, described boosting unit is inductance boost or transformer boost.
In a kind of preferred implementation of the present utility model, described output pulse control unit comprises high speed photo coupling, the high-power field effect transistor of interior band Schmidt trigger, and two input node OutPWM+ of the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and be connected; Direct voltage node PowerVCC, PowerGND are connected with negative nodal point PowerGND with the direct voltage positive node PowerVCC exported in rectification filtering unit respectively; Output node PWMOut, PowerGND are connected with corresponding node in output interface unit respectively; Two insulating power supply positive voltage terminal node DV H, the node that DV L is corresponding with power supply unit respectively with negative terminal node GND1, PowerGND are connected; Supply node DV is connected with the digital power in power supply unit respectively, for this unit provides working power.
In another kind of preferred implementation of the present utility model, described output pulse control unit comprises high speed photo coupling, the high-power field effect transistor of interior band Schmidt trigger, and two input node OutPWM+ of the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and be connected; Direct voltage node OutVCC, OutGND are connected with negative nodal point OutGND with the direct voltage positive node OutVCC of isolation and amplifier in rectification filtering unit respectively; The node that insulating power supply positive voltage terminal node DV is corresponding with power supply unit respectively with negative terminal node GND1 is connected; Supply node DV is connected with the digital power in power supply unit respectively, for this unit provides working power.
The utility model chooses 32-bit microprocessor STM32F103RB, inductance or high frequency transformer and high-power field-effect transistor, this device is had advantages such as volume is little, stable performance, intuitive display.
The utility model can realize the broad pulse frequency range from direct current to megahertz, and output pulse amplitude from tens volts to several kilovolts, and can have higher efficiency.
The utility model adopts has efficient high frequency pulse pressure transformer, realizes isolation and voltage transformation, contributes to improving fail safe and efficiency.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the utility model high voltage pulse generation device first preferred implementation;
Fig. 2 is the structural representation of the utility model high voltage pulse generation device first preferred implementation;
Fig. 3 is the circuit diagram of microprocessor control unit in a kind of preferred implementation of the utility model;
Fig. 4 is the circuit diagram of Pulse Width Control voltage transformation module in a kind of preferred implementation of the utility model;
Fig. 5 is the circuit diagram exporting pulse control unit in a kind of preferred implementation of the utility model;
Fig. 6 is the circuit diagram exporting pulse control unit in the another kind of preferred implementation of the utility model.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The utility model provides a kind of high voltage pulse generation device, comprise microprocessor control unit, Pulse Width Control voltage transformation module, driver element, boosting unit, rectification filtering unit and output pulse control unit, wherein, microprocessor control unit output pulse signal is to Pulse Width Control voltage transformation module, the output of Pulse Width Control voltage transformation module is connected with driver element, driver element output is connected with boosting unit input, and the pulse voltage that boosting unit exports exports to load by exporting pulse control unit after rectifying and wave-filtering.
In the present embodiment, driver element can adopt complementary high-voltage field pipe or switch triode structure, specifically can adopt existing structure.
In the present embodiment, also comprise information transmit-receive unit, information transmit-receive unit is connected with microprocessor control unit, for needing frequency, the amplitude information of pulse to microprocessor control unit input.Microprocessor exports inceptive impulse signal, and the concrete apparatus and method generating inceptive impulse can adopt prior art, is specifically as follows but is not limited to generate in patent application 201310043326.8 apparatus and method of inceptive impulse.
In the present embodiment, also comprise voltage sampling unit and display unit, microprocessor control unit comprises A/D modular converter, voltage output unit output is connected with the input of voltage sampling unit, the output of voltage sampling unit is connected with the input of A/D modular converter, the output of A/D modular converter is connected with display unit, for display translation information of voltage.Be convenient to monitoring in real time and adjustment.
In the present embodiment, can also comprise interface unit, interface unit is connected between described output pulse control unit and described load.Be convenient to export pulse control unit be connected with between load.
In a kind of preferred implementation of the present utility model, pulse that this schmitt trigger produces steep rising and falling edges goes to drive high-power FET or switch three pole to adopt 32-bit microprocessor to control, utilize and have steep rising and falling edges pulsed drive can improve overall efficiency, inductance is energized or power-off, utilize the character of inductance to realize boosting maybe will press, after over commutation and filtering, become direct voltage.The direct current exported, controls two high-voltage field pipes or switch triode after microprocessor is by isolation, finally exports the pulse signal of required frequency and amplitude; On the other hand, output is by after electric resistance partial pressure and linear optical coupling isolation, amplified and be input to after following the A/D conversion inputs of microprocessor again by amplifier, and then utilize the real-time measurement of A/D conversion realization to output voltage of band in microprocessor, and send each all relevant informations by wireless transmit/receive units.Because the Pulse Width Control prime of this patent all adopts Schmidt trigger, there is steep rising and falling edges, the power consumption on pipe on the scene or switch triode can be reduced, so the high-efficiency broadband rate of this patent proposition and the high voltage pulse generation device of voltage range have higher efficiency.
This device primarily of microprocessor control unit, Pulse Width Control voltage transformation module, driver element, inductance boost unit or transformer boost unit, rectification filtering unit, output pulse control unit, output interface unit, wireless transmit/receive units or touch LCD liquid crystal display, output voltage sampling unit and power supply unit totally ten unit composition, as depicted in figs. 1 and 2.Wherein, the microprocessor control unit amplitude that mainly realizes various control, outputed signal by A/D converted measurement; Pulse Width Control voltage transformation module is formed primarily of this schmitt trigger and other element, realizes the pulse signal that before and after being converted to by the 3.3V pulse signal of microprocessor, edge is very steep, is input to driver element; Driver element is formed primarily of high-power field pipe or switch triode, and the mode realizing pulse drives the elementary of transformer in inductance unit; Inductance unit is formed primarily of inductance, realizes voltage transformation; Rectification filtering unit is primarily of inductance and electric capacity composition, pulse voltage is realized to be converted to direct voltage, with the conversion of pulse voltage duty ratio, arrange filtered direct current and also can and then convert, therefore just can realize the adjustment of this direct current by the duty ratio of microprocessor regulating impulse; Export pulse control unit to form primarily of high speed photo coupling, high-power field pipe or switch triode, under the Pulse Width Control that microprocessor exports, export corresponding pulse voltage; Output interface unit is formed primarily of various lead-out terminal, conveniently connects with external loading; Output voltage sampling unit is formed primarily of divider resistance and linear optical coupling, integrated transporting discharging, and it exports the A/D output sending into microprocessor, realizes the measurement of output signal amplitude; Wireless transmit/receive units mainly realizes the input of the information such as frequency, amplitude and the transmission etc. of various output information; Power supply unit is mainly each several part work and provides corresponding working power voltage.
The frequency that need be exported by wireless transmit/receive units acquisition user and the information such as amplitude, duty ratio, 32-bit microprocessor STM32F103RB controls output two group pulse: first group, the pwm pulse of control inputs controlling filed pipe or switching tube, reach the make-and-break time controlling inductance, thus reach the object controlling voltage pulse output amplitude; Second group, control to export the high-power field pipe in pulse control unit or switch triode, thus reach the object controlling output pulse frequency and duty ratio; Meanwhile, change by the A/D of rectification filtering unit and microprocessor the output dc voltage obtaining rectification filtering unit; Also real-time output pulse signal is obtained by output voltage sampling unit in addition, and in microprocessor with A/D conversion realize the measurement of real-time voltage amplitude, microprocessor adjusts the first group pulse width automatically according to virtual voltage amplitude situation again, makes it export as required pulse amplitude voltage.This device, adopts Microprocessor S3C44B0X, has automatic control function, can be widely used in various scientific research and experiment, have broad application prospects.
In the present embodiment, microprocessor control unit comprises STM32F103RB and peripheral circuit.As shown in Figure 3, microprocessor control unit is made up of the interior 32-bit microprocessor STM32F103RB with 12 A/D conversions and corresponding peripheral cell.Wherein the RAM of the A/D converter of 2 12, band, 128K byte flash memory and 20K byte, maximum operating frequency can reach 72MHz in STM32F103RB.In addition, also there are 3 16 bit timing devices, each timer has four pulse width modulations (PWM), and each timer also has the pre-divider of 16, so each timer can be seen as the high accuracy modulation of 32 as the mode of PWM generally, utilize this point can adjust amplitude needed for automatic regulation output pulse well.In utilizing, band A/D conversion realizes the real-time measurement to output voltage amplitude; The 128K byte flash memory of interior band is mainly used in the storage of program and the storage of parameters.In addition, microprocessor receives the information of touch-screen input, and sends corresponding data or control signal to other parts, and control LCD liquid crystal realizes the display etc. of various relevant information.
Node OutPlusAmpMeasure, PGA113CS, PGA113DIN, PGA113CLK export with the analog voltage of output voltage sampling unit respectively, the sheet of digital-control amplifier PGA113 selects, data input and output, clock input node are connected, by realizing the measurement of output voltage amplitude in microprocessor with A/D conversion; The node that input node DCPowerMeasurel is corresponding with rectification filtering unit is connected, for measuring the high direct voltage value after rectifying and wave-filtering; Pwm pulse output node PowerPWM1-PowerPWM4 is connected respectively with the corresponding node in Pulse Width Control voltage transformation module, and this node produces PWM by band timer in microprocessor and exports control signal, realizes the control of direct voltage; Output frequency is connected with the corresponding node in output pulse control unit with Duty ratio control node OutPWM+, OutPWM-, and the output of OutPWM+ and OutPWM-is contrary; Node B lueTX, BlueRX are connected with corresponding node in wireless transmit/receive units respectively, realize the communication with external data; Interface PSerial is connected with outside serial ports, for the programming of microprocessor; Buzzer BUZZ under control of the microprocessor, sends various prompt tone; Supply node AV3.3, DV3.3, DV+5V, GND, AGND respectively with the analog power 3.3V in power supply unit, digital power 3.3V, digital power 5.0V, digitally, to be in analog connected, for this unit provides working power.
In the present embodiment, as shown in Figure 4, Pulse Width Control voltage transformation module comprises optocoupler, and the pulse width modulation input node of optocoupler is connected with pulse width modulation output node in microprocessor control unit by the first resistance; Output node is connected with the corresponding input node in driver element by the second resistance; The corresponding node of power supply input node PowerVCC, DV+3.3V, CtrlGND difference power supply unit is connected.Input and output have mutually isolated effect, to reduce influencing each other between front stage, provide antijamming capability.
In the present embodiment, as shown in Figure 5, export pulse control unit and comprise the formation such as high speed photo coupling, high-power field effect transistor of interior band Schmidt trigger, realize defeated rising edge and all very steep impulse waveform of trailing edge.The high speed photo coupling TLP2408 of what this device was selected is interior band Schmidt trigger, transmission rate reaches as high as 5MHz, the most I of isolation voltage reaches 3750V, output porch rises and fall off rate can reach ± 15kV/ μ s, what can realize controlling fast high-power field effect transistor enters saturation conduction and cut-off state, thus make to export very steep rising or the pulse voltage of trailing edge, and a large power can be provided.The two input node OutPWM+ with the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and are connected; Node PowerVCC, PowerGND are connected with negative nodal point PowerGND with the direct voltage positive node PowerVCC exported in rectification filtering unit respectively; Output node PWMOut, PowerGND are connected with corresponding node in output interface unit respectively; The node that two 15V insulating power supply positive voltage terminal node DV15VH, DV15VL are corresponding with power supply unit respectively with negative terminal node GND1, PowerGND is connected; Supply node DV3.3V is connected with the digital power 3.3V in power supply unit respectively, for this unit provides working power.
At this with in novel another kind of preferred implementation, as shown in Figure 6, export pulse control unit and comprise the formation such as high speed photo coupling, high-power field effect transistor of interior band Schmidt trigger, realize defeated rising edge and all very steep impulse waveform of trailing edge.That this device is selected is high speed photo coupling TL2405, it exports porch rising and fall off rate can reach ± 15kV/ μ s, what can realize controlling fast high-power field effect transistor enters saturation conduction and cut-off state, thus make to export very steep rising or the pulse voltage of trailing edge, and a large power can be provided.The two input node OutPWM+ with the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and are connected; Node OutVCC, OutGND are connected with negative nodal point OutGND with the direct voltage positive node OutVCC of isolation and amplifier in rectification filtering unit respectively; The node that 20V insulating power supply positive voltage terminal node DV20V is corresponding with power supply unit respectively with negative terminal node GND1 is connected; Supply node DV3.3V is connected with the digital power 3.3V in power supply unit respectively, for this unit provides working power.
It should be noted that; although the microprocessor adopted in the utility model embodiment is STM32F103RB; but this should not be construed as restriction of the present utility model; any according to technical solutions of the utility model, the chip of the processor of the utility model beneficial effect can be realized all within protection range of the present utility model.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (8)
1. a high voltage pulse generation device, it is characterized in that, comprise microprocessor control unit, Pulse Width Control voltage transformation module, driver element, boosting unit, rectification filtering unit and output pulse control unit, described microprocessor control unit output pulse signal is to Pulse Width Control voltage transformation module, the output of Pulse Width Control voltage transformation module is connected with driver element, described driver element output is connected with boosting unit input, and the pulse voltage that boosting unit exports exports to load by exporting pulse control unit after rectifying and wave-filtering.
2. high voltage pulse generation device as claimed in claim 1, it is characterized in that, also comprise information transmit-receive unit, described information transmit-receive unit is connected with microprocessor control unit, for needing frequency, the amplitude information of pulse to microprocessor control unit input.
3. high voltage pulse generation device as claimed in claim 1, it is characterized in that, also comprise voltage sampling unit and display unit, described microprocessor control unit comprises A/D modular converter, described voltage output unit output is connected with the input of voltage sampling unit, the output of described voltage sampling unit is connected with the input of A/D modular converter, and the output of described A/D modular converter is connected with display unit, for display translation information of voltage.
4. high voltage pulse generation device as claimed in claim 1, it is characterized in that, also comprise interface unit, described interface unit is connected between described output pulse control unit and described load.
5. high voltage pulse generation device as claimed in claim 1, it is characterized in that, described microprocessor control unit comprises STM32F103RB and peripheral circuit.
6. high voltage pulse generation device as claimed in claim 1, it is characterized in that, described boosting unit is inductance boost or transformer boost.
7. high voltage pulse generation device as claimed in claim 1, it is characterized in that, described output pulse control unit comprises high speed photo coupling, the high-power field effect transistor of interior band Schmidt trigger, and two input node OutPWM+ of the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and be connected; Direct voltage node PowerVCC, PowerGND are connected with negative nodal point PowerGND with the direct voltage positive node PowerVCC exported in rectification filtering unit respectively; Output node PWMOut, PowerGND are connected with corresponding node in output interface unit respectively; Two insulating power supply positive voltage terminal node DV H, the node that DV L is corresponding with power supply unit respectively with negative terminal node GND1, PowerGND are connected; Supply node DV is connected with the digital power in power supply unit respectively, for this unit provides working power.
8. high voltage pulse generation device as claimed in claim 1, it is characterized in that, described output pulse control unit comprises high speed photo coupling, the high-power field effect transistor of interior band Schmidt trigger, and two input node OutPWM+ of the impulse waveform of reverse-phase and OutPWM-save with corresponding two in microprocessor unit and be connected; Direct voltage node OutVCC, OutGND are connected with negative nodal point OutGND with the direct voltage positive node OutVCC of isolation and amplifier in rectification filtering unit respectively; The node that insulating power supply positive voltage terminal node DV is corresponding with power supply unit respectively with negative terminal node GND1 is connected; Supply node DV is connected with the digital power in power supply unit respectively, for this unit provides working power.
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| CN201420609903.5U CN204156749U (en) | 2014-10-20 | 2014-10-20 | A kind of high voltage pulse generation device |
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| CN201420609903.5U CN204156749U (en) | 2014-10-20 | 2014-10-20 | A kind of high voltage pulse generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528455A (en) * | 2017-10-16 | 2017-12-29 | 科棣姆（上海）电源科技有限公司 | A kind of drive circuit for maintaining intermediate frequency plasma power supply metal-oxide-semiconductor electric voltage equalization |
| CN109194181A (en) * | 2018-11-01 | 2019-01-11 | 北京京航计算通讯研究所 | Automate high pressure two fingers number wave impulse source |
-
2014
- 2014-10-20 CN CN201420609903.5U patent/CN204156749U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528455A (en) * | 2017-10-16 | 2017-12-29 | 科棣姆（上海）电源科技有限公司 | A kind of drive circuit for maintaining intermediate frequency plasma power supply metal-oxide-semiconductor electric voltage equalization |
| CN107528455B (en) * | 2017-10-16 | 2024-05-03 | 科棣姆（上海）电源科技有限公司 | Driving circuit for maintaining voltage balance of MOS (metal oxide semiconductor) tube of intermediate frequency plasma power supply |
| CN109194181A (en) * | 2018-11-01 | 2019-01-11 | 北京京航计算通讯研究所 | Automate high pressure two fingers number wave impulse source |
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Granted publication date: 20150211 Termination date: 20201020 |